EP 0427687 A1 19910515 - Method of choosing a base station, a radio channel and a time slot at a mobile station.
Title (en)
Method of choosing a base station, a radio channel and a time slot at a mobile station.
Title (de)
Verfahren zur Wahl einer Basisstation, eines Radiokanals und eines Zeitschlitzes in einer Mobilstation.
Title (fr)
Procédé pour sélecter une station de base, un canal radioélectrique et un intervalle de temps dans une station mobile.
Publication
Application
Priority
SE 8903030 A 19890913
Abstract (en)
In a cellular mobile radio system a method of choosing at a mobile station an appropriate base station and time slot on a time division multiplexed radio channel for the purpose of call set up or handover, wherein each base station transmits in one time slot of a predetermined control radio channel and, at least once during a multiframe, in each communication radio channel time slot used by the base station for calls, roaming signals comprising information on identity of transmitting base station and communication radio channels available at transmitting base station, the mobile scanning the control and communication channels and when desirous of call set up or handover selecting a base station and a time slot on a communication channel, the mobile desirous of call set up or handover transmitting to the choosen base information on mobile identity and the choosen communication channel time slot.
IPC 1-7
IPC 8 full level
H04B 7/26 (2006.01); H04Q 7/22 (2006.01); H04Q 7/28 (2006.01); H04Q 7/36 (2006.01); H04Q 7/38 (2006.01); H04W 48/20 (2009.01); H04W 36/00 (2009.01); H04W 48/16 (2009.01)
CPC (source: EP US)
H04B 7/2643 (2013.01 - EP US); H04W 48/20 (2013.01 - EP US); H04W 36/00 (2013.01 - EP); H04W 48/16 (2013.01 - EP US)
Citation (search report)
- US 4783780 A 19881108 - ALEXIS ROGER P J [FR]
- US 4392242 A 19830705 - KAI TOMOKAZU [JP]
Designated contracting state (EPC)
AT BE CH DE DK ES FR GB GR IT LI LU NL
DOCDB simple family (publication)
EP 0427687 A1 19910515; EP 0427687 B1 19940420; AT E104816 T1 19940515; AU 6248090 A 19910321; AU 626723 B2 19920806; CA 2025228 A1 19910314; CA 2025228 C 19991109; DE 69008312 D1 19940526; DE 69008312 T2 19940804; DK 0427687 T3 19940808; ES 2051504 T3 19940616; JP 3103367 B2 20001030; JP H03145227 A 19910620; SE 500157 C2 19940425; SE 8903030 D0 19890913; SE 8903030 L 19910314; US 5150362 A 19920922
DOCDB simple family (application)
EP 90850304 A 19900913; AT 90850304 T 19900913; AU 6248090 A 19900912; CA 2025228 A 19900912; DE 69008312 T 19900913; DK 90850304 T 19900913; ES 90850304 T 19900913; JP 24230290 A 19900912; SE 8903030 A 19890913; US 57824990 A 19900906